Sunset Shimmer is happy and fullfilled. Her life is perfectly normal and okay. She is a human, dating another human, Twilight Sparkle, with plenty of human friends.
But sometimes she wonders of Equestria, a world that spat her out.
But sometimes she wonders of Equestria, a world that didn't need her.
But what if it did?
What if Equestria needed her, permanently? What if her wildest abandoned dreams could come true? What if she had to choose between abandoning the human world, or abandoning Equestria for good?
What if she had to choose between two Twilights?